Amazon Lumberyard is a free AAA game engine
DeSmuME is a Nintendo DS emulator
8-bit Graphical API for Java
Source code of the chapters of the book 3D Game Development with LWJGL
Low-latency, high quality voice chat for gamers
Web powered cross-platform 3D, WebXR game engine
Flex roguelike
scriptable game engine with built-in support for 2D graphics and sound
3D video music media player lyrics subtitles etc...
Open-DIS implements the IEEE DIS protocol in multiple languages.
Fast and robust map analyser for Brood War.
Sims 3 (and other) game package library
Tools using the s3pi library and other related works